Shachou, Koibito no Furi wo Shite Watashi no Chichi ni Atte Kudasai

The story focuses on a fake romantic relationship between a company CEO and his top performing female subordinate. She's been betrothed by her father to the son of a prominent family, a family with both political and business power and this match may bring her current corporation - where her much respected superior leads the way - to ruin.